Re: [PATCH] drm/amdgpu: fix overflowed array index read warning

[Christian König]

Am 26.04.24 um 02:27 schrieb Tim Huang:

Clear overflowed array index read warning by cast operation.

Signed-off-by: Tim Huang <tim.hu...@amd.com>

Reviewed-by: Christian König <christian.koe...@amd.com>

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 06f0a6534a94..15c240656470 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -473,8 +473,9 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, 
char __user *buf,
                                        size_t size, loff_t *pos)
  {
        struct amdgpu_ring *ring = file_inode(f)->i_private;
-       int r, i;
        uint32_t value, result, early[3];
+       loff_t i;
+       int r;

if (*pos & 3 || size & 3)

                return -EINVAL;